fix: import yaml & refactor

.github/workflows/draft-release.yml

@@ -74,7 +74,7 @@ jobs:
           if not (greater == 1 and equal == 2):
             raise ValueError(f"Next version must only increment one number at a time. Current version: {current_version}. Proposed next version: {next_version}")
 
-      - name: Get release notes & update changelog
+      - name: Get release notes, update changelog & version file
         shell: python {0}
         run: |
           import os
@@ -96,24 +96,25 @@ jobs:
                 next_release_lines.append(line)
 
           with open(".github/latest-release.md", "w") as outfile:
-            outfile.write(''.join(next_release_lines))
+            outfile.writelines(next_release_lines)
           with open('CHANGELOG.md', 'w') as outfile:
-            outfile.write(''.join(changelog_lines))
+            outfile.writelines(changelog_lines)
+          with open("VERSION", "w") as outfile:
+            outfile.write(f"{next_version}\n")
 
-      - name: Update citation & version files
+      - name: Update citation
         shell: python {0}
         run: |
           from cffconvert.cli.create_citation import create_citation
           from cffconvert.cli.validate_or_write_output import validate_or_write_output
+          import yaml
+
           citation = create_citation('CITATION.cff', None)
           citation._implementation.cffobj['version'] = "${{ env.NEXT_VERSION }}"
           citation._implementation.cffobj['date-released'] = "${{ env.DATE }}"
           with open('CITATION.cff', 'w') as outfile:
             outfile.write(yaml.dump(citation._implementation.cffobj, sort_keys=False))
 
-          with open("VERSION", "w") as outfile:
-            outfile.write("${{ env.NEXT_STRICT }}")
-
       - name: Commit & push to branch
         run: |
           git config --local user.name "github-actions[bot]"